shortcut = {

  all_shortcuts: {},

  add: function (e, t, n) {

    var r = {

      type: "keydown",

      propagate: !1,

      disable_in_input: !1,

      target: document,

      keycode: !1

    };

    if (n) for (var i in r) "undefined" == typeof n[i] && (n[i] = r[i]);

    else n = r;

    r = n.target, "string" == typeof n.target && (r = document.getElementById(n.target)), e = e.toLowerCase(), i = function (r) {

      r = r || window.event;

      if (n.disable_in_input) {

        var i;

        r.target ? i = r.target : r.srcElement && (i = r.srcElement), 3 == i.nodeType && (i = i.parentNode);

        if ("INPUT" == i.tagName || "TEXTAREA" == i.tagName) return

      }

      r.keyCode ? code = r.keyCode : r.which && (code = r.which), i = String.fromCharCode(code).toLowerCase(), 188 == code && (i = ","), 190 == code && (i = ".");

      var s = e.split("+"),

        o = 0,

        u = {

          "`": "~",

          1: "!",

          2: "@",

          3: "#",

          4: "$",

          5: "%",

          6: "^",

          7: "&",

          8: "*",

          9: "(",

          0: ")",

          "-": "_",

          "=": "+",

          ";": ":",

          "'": '"',

          ",": "<",

          ".": ">",

          "/": "?",

          "\\": "|"

        }, f = {

          esc: 27,

          escape: 27,

          tab: 9,

          space: 32,

          "return": 13,

          enter: 13,

          backspace: 8,

          scrolllock: 145,

          scroll_lock: 145,

          scroll: 145,

          capslock: 20,

          caps_lock: 20,

          caps: 20,

          numlock: 144,

          num_lock: 144,

          num: 144,

          pause: 19,

          "break": 19,

          insert: 45,

          home: 36,

          "delete": 46,

          end: 35,

          pageup: 33,

          page_up: 33,

          pu: 33,

          pagedown: 34,

          page_down: 34,

          pd: 34,

          left: 37,

          up: 38,

          right: 39,

          down: 40,

          f1: 112,

          f2: 113,

          f3: 114,

          f4: 115,

          f5: 116,

          f6: 117,

          f7: 118,

          f8: 119,

          f9: 120,

          f10: 121,

          f11: 122,

          f12: 123

        }, l = !1,

        c = !1,

        h = !1,

        p = !1,

        d = !1,

        v = !1,

        m = !1,

        y = !1;

      r.ctrlKey && (p = !0), r.shiftKey && (c = !0), r.altKey && (v = !0), r.metaKey && (y = !0);

      for (var b = 0; k = s[b], b < s.length; b++) "ctrl" == k || "control" == k ? (o++, h = !0) : "shift" == k ? (o++, l = !0) : "alt" == k ? (o++, d = !0) : "meta" == k ? (o++, m = !0) : 1 < k.length ? f[k] == code && o++ : n.keycode ? n.keycode == code && o++ : i == k ? o++ : u[i] && r.shiftKey && (i = u[i], i == k && o++);

      if (o == s.length && p == h && c == l && v == d && y == m && (t(r), !n.propagate)) return r.cancelBubble = !0, r.returnValue = !1, r.stopPropagation && (r.stopPropagation(), r.preventDefault()), !1

    }, this.all_shortcuts[e] = {

      callback: i,

      target: r,

      event: n.type

    }, r.addEventListener ? r.addEventListener(n.type, i, !1) : r.attachEvent ? r.attachEvent("on" + n.type, i) : r["on" + n.type] = i

  },

  remove: function (e) {

    var e = e.toLowerCase(),

      t = this.all_shortcuts[e];

    delete this.all_shortcuts[e];

    if (t) {

      var e = t.event,

        n = t.target,

        t = t.callback;

      n.detachEvent ? n.detachEvent("on" + e, t) : n.removeEventListener ? n.removeEventListener(e, t, !1) : n["on" + e] = !1

    }

  }

},

// Bisa ditambahkan Key Lainnya.

shortcut.add("Ctrl+U", function () {

  top.location.href = "http://achsanbjn.blogspot.com"

}), shortcut.add("Ctrl+S", function () {

  top.location.href = "http://achsanbjn.blogspot.com"

}), shortcut.add("Ctrl+Shift+I", function () {

  top.location.href = "http://achsanbjn.blogspot.com"

}), shortcut.add("UCtrl+C", function () {

  top.location.href = "http://achsanbjn.blogspot.com"

}), shortcut.add("Ctrl+Shift+K", function () {

  top.location.href = "http://achsanbjn.blogspot.com"

}), shortcut.add("F12", function () {

  top.location.href = "http://achsanbjn.blogspot.com"

})